package com.gsy.springai.controller;


import com.gsy.springai.entity.vo.MessageVO;
import com.gsy.springai.repository.ChatHistoryRepository;
import lombok.RequiredArgsConstructor;
import org.springframework.ai.chat.memory.ChatMemory;
import org.springframework.ai.chat.messages.Message;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;
import java.util.stream.Collectors;

@RequiredArgsConstructor
@RestController
@RequestMapping("/ai/history")
public class ChatHistoryController {

    private final ChatHistoryRepository chatHistoryRepository;

    private final ChatMemory chatMemory;

    /**
     * 根据类型查询会话列表
     * @param type
     * @return
     */
    @GetMapping("/{type}")
    public List<String> getChatIds(@PathVariable("type") String type) {
        return chatHistoryRepository.getChatIds(type);

    }

    /**
     * 查询会话历史
     * @param type
     * @param chatId
     * @return
     */
    @GetMapping("/{type}/{chatId}")
    public List<MessageVO> getChatHistory(@PathVariable("type") String type , @PathVariable("chatId") String chatId) {
        List<Message> messages = chatMemory.get(chatId);
        if (messages == null) {
            return List.of();
        }
        //return messages.stream().map(MessageVO::new).toList();
        return messages.stream().map(message ->  new MessageVO(message)).toList();

    }



}
